<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style type="text/css">
        .header,
        .main,
        .footer {
            width: 500px;
        }
        
        .header,
        .footer {
            height: 100px;
            background: pink;
        }
    </style>
</head>

<body>
    <div class="header"></div>
    <div class="main">
        <div class="left"></div>
        <div class="content">
            <div class="content-top"></div>
            <div class="content-bot"></div>
        </div>
        <div class="righ"></div>
    </div>
    <div class="footer"></div>
</body>

</html>